Flexible Settings: This 12V 1.25A power supply adapter white features high-quality fireproof housing materials and built-in software undervoltage and overvoltage protection. input: 100V-240V, output: 12V 1.25A 15W. DC Size: 4.0mm x 1.7mm; cable length: 1.5 meters, polarity: positive outside, 12v power supply negative inside Charger for Echo Compatibility: Compatible with Echo Dot (3rd/4th/5th Gen), for Echo Dot with Clock (3rd/4th/5th Gen), fpr Echo Dot Kids Edition, Fire TV Cube, for Echo Spot, for Echo Show 5 (1st & 2nd Gen), and other smart devices. Ideal for keeping your for Echo devices powered and functional Safe and Stable: This power adapter is UKCA certified and RoHS EMC compliant. It features multiple built-in protection features to ensure safe and stable charging of your devices. These include overcurrent protection to prevent excessive current; overtemperature protection to prevent overheating; overvoltage protection to prevent high voltage; short-circuit protection to automatically shut off power in the event of a short circuit; and electromagnetic wave protection to reduce interference Long Power Cord: The charger includes a150cm/59.06in/4.92ft power cord, providing flexibility for setup in various locations. Its bending resistance ensures long-term durability and the cord is built to withstand daily wear and tear Not compatibility Notice: This for echo dot charger cable 15w is designed for 12V devices and is not suitable for devices that require 15V or 18V power. Not compatible with Echo 1st Gen, Not compatible with Echo 2nd Gen, Not compatible with Echo Plus (1st and 2nd Gen), Not for Echo Tap, Not compatible with Echo Look, Not compatible with Echo Link, Not for Echo Show 1st and 2nd Gen, or Not compatible with TV Box 1st Gen. Be sure to double-check your device model to avoid incompatibility issues